Home / 2,760.08-4,142.84-2,027.60

Finding the Fourth Proportional to 2,760.08, 4,142.84 and 2,027.60

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Solution

The fourth proportional to 2,760.08, 4,142.84 and 2,027.60 is: 3,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,760.08 : 4,142.84 = 2,027.60 : x
  2. Step 2: Convert to fraction form
    2,760.08/4,142.84 = 2,027.60/x
  3. Step 3: Cross multiply
    2,760.08x = 4,142.84 × 2,027.60
  4. Step 4: Simplify right side
    2,760.08x = 8,400,022.38
  5. Step 5: Solve for x
    x = 8,400,022.38/2,760.08
  6. Step 6: Final answer
    x = 3,043.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.